Visually Elegant and Robust Semi-Fiducials for Geometric Registration in Mixed Reality

Authors:
Ryuhei Tenmoku;Yusuke Yoshida;Fumihisa Shibata;Asako Kimura;Hideyuki Tamura
Affiliations:
Graduate School of Science and Engineering, Ritsumeikan University. e-mail: tenmoku@mclab.ics.ritsumei.ac.jp;Graduate School of Science and Engineering, Ritsumeikan University/ Murata Manufacturing Company;Graduate School of Science and Engineering, Ritsumeikan University;Graduate School of Science and Engineering, Ritsumeikan University;Graduate School of Science and Engineering, Ritsumeikan University
Venue:
ISMAR '07 Proceedings of the 2007 6th IEEE and ACM International Symposium on Mixed and Augmented Reality
Year:
2007

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Abstract

This paper describes a novel image-based geometric registration method using visually elegant and robust semi-fiducial markers in mixed reality (MR). Most traditional visual markers stand out against the background, i.e., they can be recognized and identified easily. Here, we try to construct new visual markers for MR registration, which achieve a good balance between visual elegance and robustness. As the first step, we propose "two-tone colored markers". These markers have the following characteristics: 1) color similar to that of the background object, 2) placed at the corners of real objects in an inconspicuous manner. This paper describes the registration method using two-tone colored markers and a few experiments.